Estimating the Economic Contribution of Open Source Software to the European Economy

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Citation: Carlo Daffara (2012) Estimating the Economic Contribution of Open Source Software to the European Economy.
Internet Archive Scholar (search for fulltext): Estimating the Economic Contribution of Open Source Software to the European Economy
Download: http://www.openforumacademy.org/library/ofa-research/first-conference-proceedingsA4.pdf#page=12
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Summary

Estimating contribution of open source by measuring self-identified "OSS firms" undercounts as most use of open source is outside such firms. Estimating replacement value, assuming each user has to pay full cost, makes highly unreliable assumptions.

Instead author tries to "infer the savings from data that is related to the degree of reuse of OSS, starting from the macroeconomic view". Given EU software market overall and estimates of adoption and benefits of OSS from code reuse and effort reduction and resulting reduction in project failure and code maintenance costs, obtains lower bound of 114B€/year or 30% of the EU software services market, and through reinvestment of savings into internal IT, second order effect on productivity and efficiency of at least 342B€/year.